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38714838618831 = 3613138132294721
BaseRepresentation
bin10001100110110000000000…
…01101000001001011001111
312002002002202200001111102120
420303120000031001023033
520033300442141300311
6214201203515424023
711104024535410404
oct1063300015011317
9162062680044376
1038714838618831
1111376964119931
124413241155013
13187aa4176406b
1497bb459462ab
154720dd87e706
hex2336003412cf

38714838618831 has 32 divisors (see below), whose sum is σ = 51768420035520. Its totient is φ = 25735702579200.

The previous prime is 38714838618803. The next prime is 38714838618847. The reversal of 38714838618831 is 13881683841783.

It is a de Polignac number, because none of the positive numbers 2k-38714838618831 is a prime.

It is a super-2 number, since 2×387148386188312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38714838618851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8200556551 + ... + 8200561271.

It is an arithmetic number, because the mean of its divisors is an integer number (1617763126110).

Almost surely, 238714838618831 is an apocalyptic number.

38714838618831 is a deficient number, since it is larger than the sum of its proper divisors (13053581416689).

38714838618831 is a wasteful number, since it uses less digits than its factorization.

38714838618831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947.

The product of its digits is 148635648, while the sum is 69.

The spelling of 38714838618831 in words is "thirty-eight trillion, seven hundred fourteen billion, eight hundred thirty-eight million, six hundred eighteen thousand, eight hundred thirty-one".

Divisors: 1 3 613 1381 1839 3229 4143 4721 9687 14163 846553 1979377 2539659 2893973 4459249 5938131 6519701 8681919 13377747 15244109 19559103 45732327 2733519637 3996576713 8200558911 9344638817 11989730139 21052114529 28033916451 63156343587 12904946206277 38714838618831